h1 = 0.1;
h2 = 0.3;
Point(1) = {0, 0, 0, h1};
Point(2) = {1, 0, 0, h1};
Point(3) = {0, 1, 0, h1};
Point(4) = {-1, 0, 0, h1};
Point(5) = {0, -1, 0, h1};
Point(6) = {5, 5, 0, h2};
Point(7) = {-5, 5, 0, h2};
Point(8) = {-5, -5, 0, h2};
Point(9) = {5, -5, 0, h2};
Circle(1) = {2, 1, 3};
Circle(2) = {3, 1, 4};
Circle(3) = {4, 1, 5};
Circle(4) = {5, 1, 2};
Line(5) = {9, 6};
Line(6) = {6, 7};
Line(7) = {7, 8};
Line(8) = {8, 9};
Line Loop(10) = {1, 2, 3, 4};
Plane Surface(10) = {10};
Line Loop(12) = {1, 2, 3, 4, -5, -8, -7, -6};
Plane Surface(12) = {12};
